CN106281575A - Lubricating oil composition for refrigerator and compressor using the same - Google Patents
Lubricating oil composition for refrigerator and compressor using the same Download PDFInfo
- Publication number
- CN106281575A CN106281575A CN201610670764.0A CN201610670764A CN106281575A CN 106281575 A CN106281575 A CN 106281575A CN 201610670764 A CN201610670764 A CN 201610670764A CN 106281575 A CN106281575 A CN 106281575A
- Authority
- CN
- China
- Prior art keywords
- film
- oil composition
- lubricating oil
- freezer
- cold
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 239000000203 mixture Substances 0.000 title claims abstract description 86
- 239000010687 lubricating oil Substances 0.000 title claims abstract description 43
- -1 polyol ester compound Chemical class 0.000 claims abstract description 67
- 239000002199 base oil Substances 0.000 claims abstract description 36
- 239000002253 acid Substances 0.000 claims abstract description 23
- 150000002430 hydrocarbons Chemical class 0.000 claims abstract description 17
- 238000004378 air conditioning Methods 0.000 claims abstract description 15
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 14
- 229920005862 polyol Polymers 0.000 claims abstract description 10
- TXBCBTDQIULDIA-UHFFFAOYSA-N 2-[[3-hydroxy-2,2-bis(hydroxymethyl)propoxy]methyl]-2-(hydroxymethyl)propane-1,3-diol Chemical compound OCC(CO)(CO)COCC(CO)(CO)CO TXBCBTDQIULDIA-UHFFFAOYSA-N 0.000 claims abstract description 5
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 claims abstract description 5
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 claims abstract description 4
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 49
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 40
- 239000011248 coating agent Substances 0.000 claims description 39
- 238000000576 coating method Methods 0.000 claims description 39
- 150000001875 compounds Chemical class 0.000 claims description 30
- 125000001153 fluoro group Chemical class F* 0.000 claims description 27
- 239000003795 chemical substances by application Substances 0.000 claims description 21
- 229920006395 saturated elastomer Chemical class 0.000 claims description 20
- 229920005989 resin Polymers 0.000 claims description 19
- 239000011347 resin Substances 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 14
- 150000002894 organic compounds Chemical class 0.000 claims description 14
- 150000005846 sugar alcohols Polymers 0.000 claims description 12
- 229920006351 engineering plastic Polymers 0.000 claims description 11
- 229910052739 hydrogen Inorganic materials 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 10
- 150000002170 ethers Chemical class 0.000 claims description 7
- 239000000654 additive Substances 0.000 claims description 6
- 230000000996 additive effect Effects 0.000 claims description 6
- 239000000470 constituent Substances 0.000 claims description 6
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 5
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 5
- 239000004952 Polyamide Substances 0.000 claims description 5
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 5
- 229910052801 chlorine Inorganic materials 0.000 claims description 5
- 229910052804 chromium Inorganic materials 0.000 claims description 5
- 239000011651 chromium Substances 0.000 claims description 5
- 239000010439 graphite Substances 0.000 claims description 5
- 229910002804 graphite Inorganic materials 0.000 claims description 5
- 229910052750 molybdenum Inorganic materials 0.000 claims description 5
- 239000011733 molybdenum Substances 0.000 claims description 5
- 229910052759 nickel Inorganic materials 0.000 claims description 5
- 229920002492 poly(sulfone) Polymers 0.000 claims description 5
- 239000004642 Polyimide Substances 0.000 claims description 4
- 229910052794 bromium Inorganic materials 0.000 claims description 4
- 239000003431 cross linking reagent Substances 0.000 claims description 4
- 239000013530 defoamer Substances 0.000 claims description 4
- 229910052740 iodine Inorganic materials 0.000 claims description 4
- 229940059574 pentaerithrityl Drugs 0.000 claims description 4
- 229920002647 polyamide Polymers 0.000 claims description 4
- 229920001721 polyimide Polymers 0.000 claims description 4
- 239000004962 Polyamide-imide Substances 0.000 claims description 3
- 239000004734 Polyphenylene sulfide Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 229920002312 polyamide-imide Polymers 0.000 claims description 3
- 229920006324 polyoxymethylene Polymers 0.000 claims description 3
- 229920000069 polyphenylene sulfide Polymers 0.000 claims description 3
- 239000004215 Carbon black (E152) Substances 0.000 claims description 2
- 229930182556 Polyacetal Natural products 0.000 claims description 2
- 229930195733 hydrocarbon Natural products 0.000 claims description 2
- 150000003949 imides Chemical class 0.000 claims description 2
- 238000010422 painting Methods 0.000 claims description 2
- 239000002826 coolant Substances 0.000 claims 1
- 239000007800 oxidant agent Substances 0.000 claims 1
- 230000001590 oxidative effect Effects 0.000 claims 1
- 238000007789 sealing Methods 0.000 abstract description 12
- 239000003507 refrigerant Substances 0.000 abstract description 5
- 125000004432 carbon atom Chemical group C* 0.000 abstract 1
- 150000003077 polyols Chemical class 0.000 abstract 1
- 229910052731 fluorine Inorganic materials 0.000 description 30
- 239000010721 machine oil Substances 0.000 description 22
- 150000002148 esters Chemical class 0.000 description 15
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 14
- 239000003921 oil Substances 0.000 description 14
- 235000019198 oils Nutrition 0.000 description 14
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 12
- 239000002585 base Substances 0.000 description 11
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 10
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 8
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 8
- LPJITDYKVUMUHL-UHFFFAOYSA-N 1-fluorobutan-1-ol Chemical class CCCC(O)F LPJITDYKVUMUHL-UHFFFAOYSA-N 0.000 description 7
- 229910021536 Zeolite Inorganic materials 0.000 description 7
- 125000001931 aliphatic group Chemical group 0.000 description 7
- 239000003963 antioxidant agent Substances 0.000 description 7
- 230000003078 antioxidant effect Effects 0.000 description 7
- 239000010457 zeolite Substances 0.000 description 7
- DMUPYMORYHFFCT-UPHRSURJSA-N (z)-1,2,3,3,3-pentafluoroprop-1-ene Chemical compound F\C=C(/F)C(F)(F)F DMUPYMORYHFFCT-UPHRSURJSA-N 0.000 description 6
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 6
- MNWFXJYAOYHMED-UHFFFAOYSA-N heptanoic acid Chemical compound CCCCCCC(O)=O MNWFXJYAOYHMED-UHFFFAOYSA-N 0.000 description 6
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 6
- FDPIMTJIUBPUKL-UHFFFAOYSA-N pentan-3-one Chemical compound CCC(=O)CC FDPIMTJIUBPUKL-UHFFFAOYSA-N 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- NQPDZGIKBAWPEJ-UHFFFAOYSA-N valeric acid Chemical compound CCCCC(O)=O NQPDZGIKBAWPEJ-UHFFFAOYSA-N 0.000 description 6
- 238000010792 warming Methods 0.000 description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 5
- 235000014113 dietary fatty acids Nutrition 0.000 description 5
- 229930195729 fatty acid Natural products 0.000 description 5
- 239000000194 fatty acid Substances 0.000 description 5
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- WWZKQHOCKIZLMA-UHFFFAOYSA-N octanoic acid Chemical compound CCCCCCCC(O)=O WWZKQHOCKIZLMA-UHFFFAOYSA-N 0.000 description 5
- 238000005245 sintering Methods 0.000 description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 4
- 125000000217 alkyl group Chemical group 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 4
- 150000001721 carbon Chemical group 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- 239000000460 chlorine Substances 0.000 description 4
- GHVNFZFCNZKVNT-UHFFFAOYSA-N decanoic acid Chemical compound CCCCCCCCCC(O)=O GHVNFZFCNZKVNT-UHFFFAOYSA-N 0.000 description 4
- RWRIWBAIICGTTQ-UHFFFAOYSA-N difluoromethane Chemical compound FCF RWRIWBAIICGTTQ-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 150000004665 fatty acids Chemical class 0.000 description 4
- 238000003682 fluorination reaction Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- FBUKVWPVBMHYJY-UHFFFAOYSA-N nonanoic acid Chemical compound CCCCCCCCC(O)=O FBUKVWPVBMHYJY-UHFFFAOYSA-N 0.000 description 4
- 238000005057 refrigeration Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 239000006200 vaporizer Substances 0.000 description 4
- LVGUZGTVOIAKKC-UHFFFAOYSA-N 1,1,1,2-tetrafluoroethane Chemical compound FCC(F)(F)F LVGUZGTVOIAKKC-UHFFFAOYSA-N 0.000 description 3
- FXRLMCRCYDHQFW-UHFFFAOYSA-N 2,3,3,3-tetrafluoropropene Chemical class FC(=C)C(F)(F)F FXRLMCRCYDHQFW-UHFFFAOYSA-N 0.000 description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 150000001335 aliphatic alkanes Chemical class 0.000 description 3
- OBETXYAYXDNJHR-UHFFFAOYSA-N alpha-ethylcaproic acid Natural products CCCCC(CC)C(O)=O OBETXYAYXDNJHR-UHFFFAOYSA-N 0.000 description 3
- 150000001412 amines Chemical class 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 239000002274 desiccant Substances 0.000 description 3
- 230000032050 esterification Effects 0.000 description 3
- 238000005886 esterification reaction Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 239000011737 fluorine Substances 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 150000002431 hydrogen Chemical class 0.000 description 3
- 150000002576 ketones Chemical class 0.000 description 3
- 150000002921 oxetanes Chemical class 0.000 description 3
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 3
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 3
- 229940005605 valeric acid Drugs 0.000 description 3
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 2
- ULQISTXYYBZJSJ-UHFFFAOYSA-N 12-hydroxyoctadecanoic acid Chemical compound CCCCCCC(O)CCCCCCCCCCC(O)=O ULQISTXYYBZJSJ-UHFFFAOYSA-N 0.000 description 2
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 2
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 2
- YOLFQXHCAIDHHJ-UHFFFAOYSA-N C(CC)O.[F] Chemical compound C(CC)O.[F] YOLFQXHCAIDHHJ-UHFFFAOYSA-N 0.000 description 2
- 239000005632 Capric acid (CAS 334-48-5) Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 2
- 239000005977 Ethylene Substances 0.000 description 2
- XPDWGBQVDMORPB-UHFFFAOYSA-N Fluoroform Chemical compound FC(F)F XPDWGBQVDMORPB-UHFFFAOYSA-N 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N Furan Chemical compound C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- 244000147568 Laurus nobilis Species 0.000 description 2
- 235000017858 Laurus nobilis Nutrition 0.000 description 2
- 239000005642 Oleic acid Substances 0.000 description 2
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 2
- FQYUMYWMJTYZTK-UHFFFAOYSA-N Phenyl glycidyl ether Chemical compound C1OC1COC1=CC=CC=C1 FQYUMYWMJTYZTK-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 235000005212 Terminalia tomentosa Nutrition 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 229910052783 alkali metal Inorganic materials 0.000 description 2
- 150000001340 alkali metals Chemical class 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- HGCIXCUEYOPUTN-UHFFFAOYSA-N cyclohexene Chemical compound C1CCC=CC1 HGCIXCUEYOPUTN-UHFFFAOYSA-N 0.000 description 2
- ZWAJLVLEBYIOTI-UHFFFAOYSA-N cyclohexene oxide Chemical compound C1CCCC2OC21 ZWAJLVLEBYIOTI-UHFFFAOYSA-N 0.000 description 2
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- 238000004134 energy conservation Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000003925 fat Substances 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- KEMQGTRYUADPNZ-UHFFFAOYSA-N heptadecanoic acid Chemical compound CCCCCCCCCCCCCCCCC(O)=O KEMQGTRYUADPNZ-UHFFFAOYSA-N 0.000 description 2
- IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 description 2
- CBFCDTFDPHXCNY-UHFFFAOYSA-N icosane Chemical compound CCCCCCCCCCCCCCCCCCCC CBFCDTFDPHXCNY-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- LCGLNKUTAGEVQW-UHFFFAOYSA-N methyl monoether Natural products COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 2
- 150000002762 monocarboxylic acid derivatives Chemical class 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- ISYWECDDZWTKFF-UHFFFAOYSA-N nonadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCCC(O)=O ISYWECDDZWTKFF-UHFFFAOYSA-N 0.000 description 2
- 229960002446 octanoic acid Drugs 0.000 description 2
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 2
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- 125000004430 oxygen atom Chemical group O* 0.000 description 2
- GTLACDSXYULKMZ-UHFFFAOYSA-N pentafluoroethane Chemical compound FC(F)C(F)(F)F GTLACDSXYULKMZ-UHFFFAOYSA-N 0.000 description 2
- XNLICIUVMPYHGG-UHFFFAOYSA-N pentan-2-one Chemical compound CCCC(C)=O XNLICIUVMPYHGG-UHFFFAOYSA-N 0.000 description 2
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- OBETXYAYXDNJHR-SSDOTTSWSA-M (2r)-2-ethylhexanoate Chemical compound CCCC[C@@H](CC)C([O-])=O OBETXYAYXDNJHR-SSDOTTSWSA-M 0.000 description 1
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- WXGNWUVNYMJENI-UHFFFAOYSA-N 1,1,2,2-tetrafluoroethane Chemical compound FC(F)C(F)F WXGNWUVNYMJENI-UHFFFAOYSA-N 0.000 description 1
- JVPUTYICKDDWCU-UHFFFAOYSA-N 1,1,2,2-tetrafluoroethane-1,2-diol Chemical class OC(F)(F)C(O)(F)F JVPUTYICKDDWCU-UHFFFAOYSA-N 0.000 description 1
- XZUFJUJMSCHNDB-UHFFFAOYSA-N 1,1,2,3,3,3-hexafluoropropane-1,2-diol Chemical compound OC(F)(F)C(O)(F)C(F)(F)F XZUFJUJMSCHNDB-UHFFFAOYSA-N 0.000 description 1
- NDMMKOCNFSTXRU-UHFFFAOYSA-N 1,1,2,3,3-pentafluoroprop-1-ene Chemical compound FC(F)C(F)=C(F)F NDMMKOCNFSTXRU-UHFFFAOYSA-N 0.000 description 1
- FXBVAXWHKRWODI-UHFFFAOYSA-N 1,1,2-trifluoroethane-1,2-diol Chemical class OC(F)C(O)(F)F FXBVAXWHKRWODI-UHFFFAOYSA-N 0.000 description 1
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- YCAQPYOVLSLQDD-UHFFFAOYSA-N 1,2-difluoroethane-1,2-diol Chemical class OC(F)C(O)F YCAQPYOVLSLQDD-UHFFFAOYSA-N 0.000 description 1
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- YAQXGBBDJYBXKL-UHFFFAOYSA-N iron(2+);1,10-phenanthroline;dicyanide Chemical compound [Fe+2].N#[C-].N#[C-].C1=CN=C2C3=NC=CC=C3C=CC2=C1.C1=CN=C2C3=NC=CC=C3C=CC2=C1 YAQXGBBDJYBXKL-UHFFFAOYSA-N 0.000 description 1
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- FATBGEAMYMYZAF-KTKRTIGZSA-N oleamide Chemical class CCCCCCCC\C=C/CCCCCCCC(N)=O FATBGEAMYMYZAF-KTKRTIGZSA-N 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
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- 150000003254 radicals Chemical class 0.000 description 1
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/02—Lubrication
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M105/00—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound
- C10M105/08—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing oxygen
- C10M105/32—Esters
- C10M105/38—Esters of polyhydroxy compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/02—Materials undergoing a change of physical state when used
- C09K5/04—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa
- C09K5/041—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa for compression-type refrigeration systems
- C09K5/044—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa for compression-type refrigeration systems comprising halogenated compounds
- C09K5/045—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa for compression-type refrigeration systems comprising halogenated compounds containing only fluorine as halogen
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M105/00—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound
- C10M105/08—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing oxygen
- C10M105/32—Esters
- C10M105/40—Esters containing free hydroxy or carboxyl groups
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M171/00—Lubricating compositions characterised by purely physical criteria, e.g. containing as base-material, thickener or additive, ingredients which are characterised exclusively by their numerically specified physical properties, i.e. containing ingredients which are physically well-defined but for which the chemical nature is either unspecified or only very vaguely indicated
- C10M171/008—Lubricant compositions compatible with refrigerants
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/02—Lubrication
- F04B39/0215—Lubrication characterised by the use of a special lubricant
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/18—Lubricating
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2205/00—Aspects relating to compounds used in compression type refrigeration systems
- C09K2205/10—Components
- C09K2205/12—Hydrocarbons
- C09K2205/126—Unsaturated fluorinated hydrocarbons
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/04—Elements
- C10M2201/041—Carbon; Graphite; Carbon black
- C10M2201/0413—Carbon; Graphite; Carbon black used as base material
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/06—Metal compounds
- C10M2201/0603—Metal compounds used as base material
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Abstract
The present invention relates to a lubricating oil composition for a refrigerator and a compressor using the same. The lubricating oil composition for a refrigerator and a compressor using the same are characterized in that a base oil contains, as a main component, a polyol ester compound composed of a polyol selected from pentaerythritol, dipentaerythritol, trimethylolpropane and neopentyl glycol and an aliphatic monocarboxylic acid having 4 to 20 carbon atoms, and has an acid value of 0.02mg KOH/g or less and a hydroxyl value of 5mg KOH/g or less. The present invention relates to a lubricating oil composition for a refrigerator, which is used for a refrigerator using a refrigerant having a specific structure such as an unsaturated fluorinated hydrocarbon compound, which is used for an existing automobile air conditioning system, and which has excellent compatibility with the refrigerant, good sealing properties, a low friction coefficient at a sliding portion, and excellent stability, and a compressor using the same.
Description
The present patent application is PCT Patent Application PCT/JP2008/057635, filing date April 18, invention name in 2008
It is referred to as the divisional application of the application for a patent for invention of " lubricating oil composition of freezer and the compressor of use said composition ", female
Case enters the Application No. 200880012454.3 of China.
Technical field
The present invention relates to lubricating oil composition of freezer and use the compressor of said composition, more specifically, institute
Stating lubricating oil composition of freezer is that global warming coefficient is low, can be especially useful for using as can be used for existing air conditioning for automobiles
The fridge of the particular refrigerant such as the unsaturated fluorinated hydrocarbon compound of the cold-producing medium of system etc., described refrigerator oil combines
Thing uses the base oil using specific polyol ester compounds as main constituent.
Background technology
Typically, compression-type fridge at least by compressor, condenser, expansion mechanism (expansion valve etc.), vaporizer or adds again
Upper exsiccator is constituted, and it has the knot making the mixing liquid of cold-producing medium and lubricating oil (refrigerator oil) circulate in this enclosed system
Structure.For this compression-type fridge, although different according to the difference of device kind, but it is said that in general, it is high in compressor
Temperature, is low temperature in cooler, therefore needs to make cold-producing medium and lubricating oil not produce within the scope of the widest temperature from low temperature to high temperature
Raw circulation in this system separately.It is said that in general, cold-producing medium and lubricating oil have separated region at high temperature side and low temperature side,
Further, the maximum temperature of the separated region of low temperature side is preferably less than-10 DEG C, especially preferably less than-20 DEG C.On the other hand,
The minimum temperature of the separated region of high temperature side is preferably more than 30 DEG C, especially preferably more than 40 DEG C.As when fridge runs
Produce and be separated, then there are significant harmful effect in life-span and efficiency to device.Such as, as in compressor section cold-producing medium and profit
Lubricating oil produces and is separated, then cause movable part insufficient lubrication, friction sintering (paying I) etc., and the life-span of device significantly shortens,
On the other hand it is separated as produced in vaporizer, then causes heat exchanger effectiveness to reduce because there is the high lubricating oil of viscosity.
So far, the Chlorofluorocarbons (CFCs) (CFC) of main use, hydrochlorofluorocarsolvent (HCFC) etc. are as cold-producing medium used for refrigerator, for making
Become the chlorine-containing compound of environmental problem, therefore result in the research of alternative refrigerant to the most chloride elements such as hydrogen fluorohydrocarbons (HFC).
As this hydrogen fluorohydrocarbon, such as with HFA 134a, difluoromethane, pentafluoroethane, 1,1,1-HFC-143a for representative
Hydrogen fluorohydrocarbon the most gradually receive publicity, such as automotive air-conditioning system has started to use HFA 134a.
But, global warming aspect is also probably impacted by this HFC, freezes as the replacement being more suitable for environmental conservation
The so-called natural refrigerant such as the carbon dioxide of agent is the most concerned, but because this carbon dioxide must apply high pressure, existing automobile
Air conditioning system can not use.
, is just there is such as insatiable hunger in the cold-producing medium that can use in automotive air-conditioning system low, existing as global warming coefficient
With fluorinated hydrocarbon compound (for example, referring to patent documentation 1), fluorinated ether compound (for example, referring to patent documentation 2), fluorination alcoholization
Compound, fluorinated ketone compound equimolecular have the cold-producing medium that specific polarity constructs.
For using the refrigerator oil of this cold-producing medium, it is desirable to it is excellent to the intermiscibility of above-mentioned cold-producing medium, with
Time sealing good, and slipper coefficient of friction is low, and excellent in stability.
[patent documentation 1] Japanese Unexamined Patent Application Publication 2006-503961 publication
[patent documentation 2] Japanese Kohyo 7-507342 publication
Summary of the invention
The problem that invention to be solved
In this condition, it is an object of the invention to provide lubricating oil composition of freezer and use said composition
Compressor, described compositions may be used in the freezing of the cold-producing medium with particular configuration such as unsaturated fluorinated hydrocarbon compounds
Machine, described cold-producing medium global warming coefficient is low, be used especially for existing automotive air-conditioning system etc., and described compositions is to described refrigeration
The intermiscibility of agent is excellent, and sealing is good simultaneously, and slipper coefficient of friction is low, and excellent in stability.
Solve the means of problem
Present inventor studies the most with keen determination for reaching above-mentioned purpose, found that by using containing specific polyhydric alcohol
Ester type compound also has the material of specific trait as base oil, preferably at the slipper specific material of use of fridge,
This purpose can be reached.The present invention completes based on relevant understanding.
That is, the present invention provides:
(1) lubricating oil composition of freezer, it is characterised in that it is the profit of the fridge for using following cold-producing medium
Sliding oil composition, described cold-producing medium contains selected from the fluorine-containing organic compound of at least one of compound represented by following molecular formula (A)
The combination of thing or described fluorinated organic compound and saturated fluorohydrocarbons compound, described molecular formula (A) is:
CpOqFrRs ···(A)
In formula, R represents Cl, Br, I or H, and p is the integer of 1-6, and q is the integer of 0-2, and r is the integer of 1-14, and s is 0-13
Integer；But, when q is 0, p is 2-6, has more than 1 carbon-to-carbon unsaturated bond in molecule；
Use following material as base oil: containing by selected from tetramethylolmethane, dipentaerythritol, trimethylolpropane and new penta
The polyol ester compounds that the polyhydric alcohol of glycol and the aliphatic monocarboxylic acid that carbon number is 4-20 are constituted is main constituent, and acid
For below 0.02mg KOH/g, hydroxyl value is below 5mg KOH/g to value；
(2) lubricating oil composition of freezer above-mentioned (1), wherein, cold-producing medium contains the unsaturation that carbon number is 2-3
Fluorohydrocarbon cold-producing medium, or the unsaturated fluorohydrocarbon refrigeration that the saturated fluorohydrocarbons cold-producing medium that carbon number is 1-2 and carbon number are 3
The combination of agent；
(3) above-mentioned (1) or the lubricating oil composition of freezer of (2), wherein, the base oil kinematic viscosity when 100 DEG C is
2-50mm2/s；
(4) lubricating oil composition of freezer above-mentioned (1), wherein, the molecular weight of base oil is more than 300；
(5) lubricating oil composition of freezer above-mentioned (1), wherein, base oil flash is more than 200 DEG C；
(6) lubricating oil composition of freezer above-mentioned (1), described compositions contain selected from EP agent, oiliness improver,
At least one additive in antioxidant, plumper and defoamer；
(7) lubricating oil composition of freezer above-mentioned (1), wherein, the slipper of fridge is made up of engineering plastics,
Or there is organic coating film or inorganic coating film；
(8) lubricating oil composition of freezer above-mentioned (7), wherein, organic coating film is polytetrafluoroethylcoating coating films, polyamides Asia
Amine film, polyamide-imides film or use containing the resin base material that is made up of polyhydroxy ethers resin and polysulfones resin with
The heat curing-type dielectric film that the cold coating of cross-linking agent is formed；
(9) lubricating oil composition of freezer of above-mentioned (7) item, wherein, inorganic coating film be graphite film, diamond-film-like,
Stannum film, chromium film, nickel film or molybdenum film；
(10) lubricating oil composition of freezer above-mentioned (1), described compositions is empty for air conditioning for automobiles, electric automobile
Tune, gas heat pump, air-conditioning, refrigerator, automatic vending machine or the various hot-water supply systems of show window or refrigeration-heating system；
(11) lubricating oil composition of freezer above-mentioned (10), wherein, intrasystem water content be 300 mass ppm with
Under, air pocket amount is below 10kPa；
(12) compressor of the lubricating oil composition of freezer of above-mentioned (1) is used；
(13) compressor above-mentioned (12), wherein, slipper is made up of engineering plastics, or has organic coating film or inorganic
Film；
(14) compressor above-mentioned (13), wherein, engineering plastics are polyamide, polyphenylene sulfide or polyacetals tree
Fat；
(15) compressor above-mentioned (13), wherein, organic coating film is polytetrafluoroethylcoating coating films, polyimide coating film, polyamides
Amine-acid imide film or the use tree containing the resin base material being made up of polyhydroxy ethers resin and polysulfones resin with cross-linking agent
The heat curing-type dielectric film that grease coating material is formed；
(16) compressor above-mentioned (13), wherein, inorganic coating film is graphite film, diamond-film-like, stannum film, chromium film, nickel film
Or molybdenum film.
Invention effect
The present invention provides lubricating oil composition of freezer and uses the compressor of said composition, and described compositions can be used
There is the fridge of the cold-producing medium of the particular configuration such as unsaturated fluorinated hydrocarbon compound, described cold-producing medium global warming coefficient in use
Low, especially can be used for existing automotive air-conditioning system etc., described compositions is excellent to the intermiscibility of described cold-producing medium, seals simultaneously
Property good, and slipper coefficient of friction is low, and excellent in stability.
Detailed description of the invention
The lubricating oil composition of freezer of the present invention uses following cold-producing medium, and described cold-producing medium contains selected from following molecule
The fluorinated organic compound of at least one of compound represented by formula (A) or described fluorinated organic compound and saturated fluorohydrocarbons
The combination of compound, described molecular formula (A) is:
CpOqFrRs ···(A)
In formula, R represents Cl, Br, I or H, and p is the integer of 1-6, and q is the integer of 0-2, and r is the integer of 1-14, and s is 0-13
Integer；But, when q is 0, p is 2-6, has more than 1 carbon-to-carbon unsaturated bond in molecule.
<cold-producing medium>
Above-mentioned molecular formula (A) represents kind and the quantity of the element in molecule, and formula (A) represents that quantity p of carbon atom C is 1-
The fluorinated organic compound of 6.As long as carbon number is the fluorinated organic compound of 1-6, just there is the boiling required by cold-producing medium
The physics of point, freezing point, evaporation latent heat etc., chemical property.
In this molecular formula (A), CpThe combining form of p represented carbon atom includes carbon-to-carbon singly-bound, carbon-to-carbon double bond etc.
Unsaturated bond, carbon-oxygen double bond etc..For stability reasons it, the unsaturated bond of carbon-to-carbon is preferably carbon-to-carbon double bond, its quantity
It is more than 1, preferably 1.
Additionally, in molecular formula (A), OqThe combining form of q the oxygen atom represented, is preferably from ether, hydroxyl or carbonyl
Oxygen element in base.Oxygen atomicity q therein, can be 2, also include the occasion containing 2 ethers and hydroxyls etc..
Additionally, OqIn q be 0, in molecule without oxygen atom occasion under, p is 2-6, and in molecule, carbon-to-carbon double bond etc. are no
Saturated bond has more than 1.That is, CpAt least 1 of the combining form of p represented carbon atom is necessary for carbon-to-carbon unsaturated bond.
Additionally, in molecular formula (A), R is Cl, Br, I or H, therein any one, but for depletion of the ozone layer
Threatening little consideration, R is preferably H.
As it has been described above, as the fluorinated organic compound represented by molecular formula (A), unsaturated fluorohydrocarbon chemical combination can be enumerated
Thing, fluorinated ether compound, fluorinated alohol compound and fluorinated ketone compound etc. are as preferred compound.
Hereinafter, above-claimed cpd is illustrated.
[unsaturated fluorinated hydrocarbon compound]
In the present invention, as the unsaturated fluorinated hydrocarbon compound of the cold-producing medium as fridge, such as molecular formula can be enumerated
(A) in, R be H, p be 2-6, q be 0, r be 1-12, s be the unsaturated fluorinated hydrocarbon compound of 0-11.
As this unsaturated fluorinated hydrocarbon compound, preferably enumerate straight-chain or side chain that such as carbon number is 2-6
Shape alkene and the fluoride of cyclic olefin that carbon number is 4-6.
Specifically, the propylene that the ethylene being imported with 1-3 fluorine atom can be enumerated, is imported with 1-5 fluorine atom, it is imported with
The butylene of 1-7 fluorine atom, it is imported with the amylene of 1-9 fluorine atom, is imported with the hexene of 1-11 fluorine atom, is imported with 1-5
The cyclobutane of individual fluorine atom, it is imported with the cyclopentenes of 1-7 fluorine atom, is imported with the cyclohexene etc. of 1-9 fluorine atom.
In these unsaturated fluorinated hydrocarbon compounds, preferably carbon number is the unsaturated fluorinated hydrocarbon compound of 2-3, more preferably
The fluoride of propylene.As the fluoride of this propylene, the various isomers of such as pentafluoropropene, 3,3,3-trifluoro propenes can be enumerated
And 2,3,3,3-tetrafluoropropenes etc., especially preferably 1,2,3,3,3-pentafluoropropene and 2,3,3,3-tetrafluoropropenes.
In the present invention, above-mentioned unsaturated fluorinated hydrocarbon compound can be used alone a kind, also can two or more be applied in combination.
Furthermore it is preferred that the saturated fluorohydrocarbons cold-producing medium using carbon number to be 1-2 and the unsaturated fluorohydrocarbon of carbon number 3
The combination of cold-producing medium, as this combination, can enumerate the most above-mentioned 1,2,3,3,3-pentafluoropropene and CH2F2Combination, 1,2,3,3,
3-pentafluoropropene and CHF2CH3Combination and above-mentioned 2,3,3,3-tetrafluoropropene and CF3The combination etc. of I.
[fluorinated ether compound]
In the present invention, as the fluorinated ether compound of the cold-producing medium as fridge, can enumerate in such as molecular formula (A), R
For H, p be 2-6, q be 1-2, r be 1-14, s be the fluorinated ether compound of 0-13.
As this fluorinated ether compound, preferably enumerate such as carbon number be 2-6, there is 1-2 ehter bond, alkyl is
The fluoride of the chain linear aliphatic ether of straight-chain or branched, or carbon number be 3-6, tool 1-2 ehter bond cyclic aliphatic ethers
Fluoride.
Specifically, the methyl dimethyl ether being such as imported with 1-6 fluorine atom can be enumerated, being imported with 1-8 fluorine atom
Ethylether, it is imported with the dimethoxymethane of 1-8 fluorine atom, is imported with the methyl-propyl ethers of 1-10 fluorine atom, importing
The methyl butyl ethers, the ethyl propyl ethers being imported with 1-12 fluorine atom that have 1-12 fluorine atom, to be imported with 1-6 fluorine former
The oxetanes of son, it is imported with the 1 of 1-6 fluorine atom, 3-dioxolane, is imported with the tetrahydrochysene furan of 1-8 fluorine atom
Mutter.
As these fluorinated ether compounds, can enumerate such as hexafluoro dimethyl ether, pentafluorodimethyl ether, double (difluoromethyl) ether,
Methyl fluoride trifluoromethyl ethers, trifluoromethyl methyl ether, perfluor dimethoxymethane, 1-trifluoromethoxy-1,1,2,2-tetrafluoro second
Alkane, difluoro-methoxy pentafluoroethane, 1-trifluoromethoxy-1,2,2,2-tetrafluoroethane, 1-difluoro-methoxy-1,1,2,2-tetrafluoro
Ethane, 1-difluoro-methoxy-1,2,2,2-tetrafluoroethane, 1-trifluoromethoxy-2,2,2-HFC-143as, 1-difluoro-methoxy-
2,2,2-HFC-143as, perfluor oxetanes, perfluor-1,3-dioxolane, the various isomeries of five fluorine oxetanes
Body, the various isomers etc. of tetrafluoro oxetanes.
In the present invention, above-mentioned fluorinated ether compound can be used alone a kind, also can two or more be applied in combination.
[fluorinated alohol compound]
In the present invention, the fluorinated alohol compound represented as the molecular formula (A) of the cold-producing medium as fridge, example can be enumerated
In molecular formula (A), R be H, p be 1-6, q be 1-2, r be 1-13, s be the fluorinated alohol compound of 1-13.
As this fluorinated alohol compound, can enumerate such as carbon number be 1-6, have 1-2 hydroxyl straight-chain or
The fluoride of branched aliphatic alcohol.
Specifically, the ethanol that the methanol being such as imported with 1-3 fluorine atom can be enumerated, is imported with 1-5 fluorine atom, lead
The propanol class entering to have 1-7 fluorine atom, the butanol class being imported with 1-9 fluorine atom, be imported with 1-11 fluorine atom amylalcohol class,
It is imported with the ethylene glycol of 1-4 fluorine atom, is imported with the propylene glycol etc. of 1-6 fluorine atom.
As these fluorinated alohol compounds, such as single fluorine methanol, difluoro methanol, trifluoro methanol, difluoroethanol can be enumerated
Various isomers, the various isomers of trifluoroethanol, the various isomers of four fluoroethanols, five fluoroethanols, difluoro propanol various
Isomer, the various isomers of trifluoropropanol, the various isomers of C3-Fluoroalcohol., the various isomers of five fluorine propanol, hexafluoro third
The various isomers of alcohol, seven fluorine propanol, the various isomers of two fluoro butanols, the various isomers of three fluoro butanols, four fluoro butanols
Various isomers, the various isomers of five fluoro butanols, the various isomers of hexafluoro butanol, the various isomers of seven fluoro butanols, eight
The various isomers of fluoro butanol, nine fluoro butanols, the various isomers of difluoro ethylene glycol, trifluoro ethylene glycol, tetrafluoro ethylene glycol, enter one
Step can enumerate the various isomers of such as difluoro propylene glycol, the various isomers of trifluoropropyl glycol, tetrafluoro propylene glycol various different
The fluorination propylene glycol of structure body, the various isomers of five fluorine propylene glycol, hexafluoro propylene glycol etc., and corresponding to above-mentioned fluorination propylene glycol
Fluorination 1,3-PD etc..
In the present invention, above-mentioned fluorinated alohol compound can be used alone a kind, also can two or more be applied in combination.
[fluorinated ketone compound]
In the present invention, as the fluorinated ketone compound of the cold-producing medium as fridge, can enumerate in such as molecular formula (A), R
For H, p be 2-6, q be 1-2, r be 1-12, s be the fluorinated ketone compound of 0-11.
As this fluorinated ketone compound, can enumerate such as carbon number be 3-6, alkyl be the fat of straight-chain or branched
The fluoride of race's ketone.
Specifically, the methyl second acetone being such as imported with 1-6 fluorine atom can be enumerated, being imported with 1-8 fluorine atom
Base ketone, it is imported with the metacetone of 1-10 fluorine atom, is imported with the methyl-propyl ketone etc. of 1-10 fluorine atom.
As these fluorinated ketone compounds, such as hexafluoro dimethyl ketone, five fluorine dimethyl ketones, double (difluoromethyls) can be enumerated
Ketone, methyl fluoride trifluoromethyl ketone, trifluoromethyl methyl ketone, perfluoro-methyl ethyl ketone, Trifluoromethyl-1,1,2,2-tetra-fluoro ethyl
Ketone, difluoromethyl pentafluoroethyl group ketone, Trifluoromethyl-1,1,2,2-tetrafluoro ethyl ketone, difluoromethyl-1,1,2,2-tetra-fluoro ethyl
Ketone, difluoromethyl-1,2,2,2-tetrafluoro ethyl ketones, trifluoromethyl-2,2,2-trifluoroethyl ketone, difluoromethyl-2,2,2-trifluoros
Ethyl ketone etc..
In the present invention, above-mentioned fluorinated ketone compound can be used alone a kind, also can two or more be applied in combination.
[saturated fluorohydrocarbons compound]
Above-mentioned saturated fluorohydrocarbons compound for can as required with selected from compound represented by above-mentioned molecular formula (A) at least
The cold-producing medium of the fluorinated organic compound mixing of a kind.
As the fluoride of the alkane that above-mentioned saturated fluorohydrocarbons compound, preferably carbon number are 1-4, it is especially preferred as
Carbon number be the methane of 1-2 or the fluoroform of fluoride of ethane, difluoromethane, 1,1-Difluoroethane, 1,1,1-trifluoro
Ethane, 1,1,2-HFC-143a, HFA 134a, 1,1,2,2-tetrafluoroethane, 1,1,1,2,2-pentafluoroethane.This
Outward, as saturated fluorohydrocarbons compound, the fluoride of above-mentioned alkane, it also can be the change of halogen atom halogenation beyond fluorine element
Compound, can enumerate such as CF3I (CF3I) etc..Above-mentioned saturated fluorohydrocarbons can be used alone a kind, also can be by two or more group
Close and use.
Additionally, on the basis of cold-producing medium total amount, the blending amount of above-mentioned saturated fluorohydrocarbons compound be usually 30 mass % with
Under, be preferably below 20 mass %, below more preferably 10 mass %.
The lubricating oil composition of freezer (hereinafter referred to as refrigerated machine oil composition) of the present invention, for using above-mentioned refrigeration
The lubricant oil composite used for refrigerator of agent, it uses following substances as base oil.
[base oil]
As the base oil of the refrigerated machine oil composition of the present invention, use by selected from tetramethylolmethane, dipentaerythritol, three hydroxyl first
The polyhydric alcohol esters chemical combination that polyhydric alcohol in base propane and neopentyl glycol and the aliphatic monocarboxylic acid that carbon number is 4-20 are constituted
Thing.Carbon number is in the aliphatic monocarboxylic acid of 4-20, for the consideration of lubricity, preferably carbon number be more than 5, more excellent
Select carbon number be more than 6, particularly preferred carbon number be more than 8.Additionally, for the examining of the intermiscibility of cold-producing medium
Consider, preferably carbon number be less than 18, more preferably carbon number be less than 12, further preferred carbon number be less than 9
's.
Additionally, any one of straight-chain and branched, for the consideration of lubricity, preferably straight-chain aliphatic mono carboxylic
Acid, for the consideration of hydrolyzable stability, preferably branched aliphatic monocarboxylic acid.
Additionally, radical of saturated aliphatic monocarboxylic acid, unsaturated aliphatic monocarboxylic any one.
As aliphatic monocarboxylic acid, can enumerate such as valeric acid, caproic acid, enanthic acid, octanoic acid, n-nonanoic acid, capric acid, hendecanoic acid, ten
Two alkanoic acids, tridecanoic acid, tetradecanoic acid, pentadecanoic acid, hexadecanoic acid, heptadecanoic acid, octadecanoid acid, nonadecylic acid, eicosane
The straight or branched carboxylic acids such as acid, oleic acid, or the so-called eo-acid (Woo オ acid) etc. that alpha-carbon atom is 4 grades.More specifically, preferably
Valeric acid (positive valeric acid), caproic acid (n-caproic acid), enanthic acid (positive enanthic acid), octanoic acid (caprylic acid), n-nonanoic acid (pelargonic acid), capric acid (positive last of the ten Heavenly stems
Acid), oleic acid (cis-9-octadecenoic acid), isovaleric acid (3 Methylbutanoic acid), 2 methyl caproic acid, 2-ethylpentanoic, 2-ethyl hexyl
Acid, 3,5,5-tri-methyl hexanoic acids etc..
It should be noted that, as polyol ester compounds, can be all hydroxyls of polyhydric alcohol the most esterified and
The part ester obtained, also can be the most esterified complete ester obtained of all hydroxyls, also can be the mixing of part ester and complete ester
Thing, but the most complete esterification products.
It should be noted that, selected from the polyhydric alcohol of tetramethylolmethane, dipentaerythritol, trimethylolpropane and neopentyl glycol with upper
State the ester of aliphatic monocarboxylic acid's gained when being more than diester, then it can be the ester of mixed aliphatic series monocarboxylic acid and polyhydric alcohol gained.
The low-temperature characteristics of this ester and excellent with the intermiscibility of cold-producing medium.
In the refrigerated machine oil composition of the present invention, base oil uses containing selected from least the 1 of above-mentioned polyol ester compounds
Plant the material as main constituent.Herein, " contain " ratio referring to more than with 50 mass % to contain this polynary as main constituent
Alkoxide compound.In base oil, the preferred content of this polyol ester compounds is more than 70 mass %, and preferred content is
More than 90 mass %, further preferably content is 100 mass %.
The base oil of the present invention, is particularly suited for above-mentioned unsaturated fluorohydrocarbon cold-producing medium, but because this cold-producing medium has alkene structure
Make, therefore poor stability, it requires that the acid number of base oil is below 0.02mg/KOH, and hydroxyl value is below 5mg/KOH.Preferably
Acid number be below 0.01mg/KOH, preferred hydroxyl value is below 3mg/KOH.
Additionally, as above-mentioned base oil, preferably ASTM color is less than 1, surface tension is more than 20mN/m, extracting water (is extracted out
Water) pH is more than 5.5, ash is below 0.1 mass %, volume resistance (body opposing value) is 109More than Ω m.Have above-mentioned
The base oil of character has good stability, and has the electric insulating quality of excellence, thus preferably.
When manufacturing above-mentioned polyol ester compounds, by carrying out esterification under non-active gas atmosphere, just can
Suppression coloring.Additionally, for the polyhydric alcohol reacted and the ratio of aliphatic monocarboxylic acid, the amount aliphatic monocarboxylic acid is less than to be changed
Learning the occasion of metering ratio, remaining hydroxyl groups, hydroxyl value rises, on the other hand, more than the occasion of stoichiometric proportion, carboxylic acid remained, acid
Value rises, and the pH simultaneously extracting water reduces.It is therefore preferable that make polyhydric alcohol most suitable with the mol ratio of aliphatic monocarboxylic acid, additionally,
Preferably applying processes, and makes the amount of the esterification catalyst (ash) of residual, the fewest.
In the present invention, the base oil kinematic viscosity when 100 DEG C, preferably 2-50mm2/ s, more preferably 3-40mm2/ s, enters
One step is preferably 4-30mm2/s.If this kinematic viscosity is at 2mm2/ more than s, then can play good greasy property (resistance to loading),
Sealing is also good simultaneously, and if at 50mm2/ below s, then energy conservation is good.
Additionally, the molecular weight of base oil, preferably more than 300, more preferably 500-3000, more preferably 600-
2500.Base oil flash is preferably more than 200 DEG C.If the molecular weight of base oil is more than 300, then can play as refrigerator oil institute
The performance needed, can make base oil flash more than 200 DEG C simultaneously.Additionally, from the standpoint of for oxidation stability, evaporation capacity is excellent
Elect below 5 mass % as.It should be noted that, this evaporation capacity is the value measured according to heat stabilization test (JIS K2540).
In the present invention, as long as base oil has above-mentioned character, so that it may use following material: containing above-mentioned polyhydric alcohol esters
While compound, contain other base with the ratio below 50 mass %, below preferably 30 mass %, below more preferably 10 mass %
Oil, but more preferably do not contain other base oil.
As specifically, can enumerating such as polyoxyalkyl with the base oil of above-mentioned polyol ester compounds
Base glycols (Port リ オ キ シ ア Le キ レ Application グ リ U one Le), glymes, poly-(oxidation) aklylene glycol (Port リ (オ
キ シ) ァ Le キ レ Application グ リ U one Le) or its unitary ether and the copolymer of polyvinylether, other polyesters, Merlon
Class, the hydride of alpha-olefin low polymers, also can enumerate oil, ester ring type hydrocarbon, alkylating aromatic hydrocarbon etc..
The refrigerated machine oil composition of the present invention, can containing selected from EP agent, oiliness improver, antioxidant, plumper and
At least one additive of defoamer etc..
As above-mentioned EP agent, such as phosphate ester, acid phosphoric acid ester, phosphite ester, acidic phosphite can be enumerated
And the phosphorus type extreme-pressure agent of ammonium salt etc..
In these phosphorus type extreme-pressure agent, for the consideration of extreme pressure property, frictional behavior etc., particularly preferred tricresyl phosphate, phosphorus
Triphenyl phosphate thioesters (ト リ チ オ Off ェ ニ Le ホ ス Off エ mono-ト), tricresyl phosphite (nonyl phenyl) ester, dioleyl phosphite (ジ
オ レ イ Le Ha イ De ロ ゲ Application ホ ス Off ァ イ ト), phosphorous acid 2-Octyl Nitrite diphenyl ester etc..
Additionally, as extreme pressure agent, the slaine of such as carboxylic acid can be enumerated.The slaine of carboxylic acid described herein, preferably carbon
Atomic number be the slaine of the carboxylic acid of 3-60, more preferably carbon number be the gold of the fatty acid of 3-30, especially preferably 12-30
Belong to salt.Additionally, can enumerate the dimeric dibasic acid of above-mentioned fatty acid with the slaine of trimer acid and carbon number is the dicarboxylic acids of 3-30
Slaine etc..Wherein particularly preferably carbon number is the slaine of fatty acid of 12-30 and carbon number is the two of 3-30
The slaine of carboxylic acid.
On the other hand, as the metal of composition slaine, preferably alkali metal or alkaline-earth metal, especially alkali metal closes the most
Suitable.
Additionally, as extreme pressure agent, can enumerate further such as vulcanize oils and fats, sulfide aliphatic acid, sulfurised ester, olefine sulfide,
Dihydro Pueraria lobota thread polysulfide (ジ ヒ De ロ カ Le PVC Le Port リ サ Le Off ァ イ De), thiocarbamates, sulfur terpenes,
The sulfur class extreme pressure agent of dialkyl dipropionic acid esters etc. is as the extreme pressure agent beyond above-mentioned extreme pressure agent.
For lubricity and the consideration of stability, based on total composition, the blending amount of above-mentioned extreme pressure agent is usually
The scope of 0.001-5 mass %, especially preferably 0.005-3 mass %.
Above-mentioned extreme pressure agent can be used alone a kind, also can two or more be applied in combination.
As the example of above-mentioned oiliness improver, can enumerate that the aliphatic series of such as stearic acid, oleic acid etc. is saturated and unsaturated unitary carboxylic
Acid, the polymerized fatty acid of dimeric dibasic acid, hydrogenation dimeric dibasic acid etc., the hydroxy fatty acid of ricinoleic acid, 12-hydroxy stearic acid etc., Laurel
The aliphatic series of alcohol, oleyl alcohol etc. is saturated and unsaturated monohydric alcohol, and the aliphatic series of stearylamine, oleyl amine etc. is saturated and unsaturated monoamine, Laurel
The aliphatic series of amide, oleamide etc. is saturated and unsaturated monocarboxylic acid amide, and the polyhydric alcohol of glycerol, Sorbitol etc. is saturated with aliphatic series
Or the part ester etc. that unsaturated monocarboxylic acid is formed.
Above-mentioned substance can be used alone a kind, also can two or more be applied in combination.Additionally, based on total composition, it is mixed
Mixed amount is typically selected to 0.01-10 mass %, the scope of preferred 0.1-5 mass %.
As above-mentioned antioxidant, preferably following antioxidant is blended: BHT, 2,6-
Di-t-butyl-4-ethyl-phenol, 2, the phenol of 2 '-di-2-ethylhexylphosphine oxide (4-methyl-6-tert-butylphenol) etc., phenyl-α-naphthalene
The antioxidant of the amine of amine, N.N '-two-phenyl-pphenylenediamine etc..For the consideration of effect and economy etc., in compositions
In generally with 0.01-5 mass %, preferably 0.05-3 mass % blends antioxidant.
As plumper, such as phenyl glycidyl ether, alkyl glycidyl ether, aklylene glycol (+)-2,3-Epoxy-1-propanol can be enumerated
Ether, phenyl glycidyl ester, alkyl glycidyl ester, thiazolinyl ethylene oxidic ester, cyclohexene oxide, α-epoxyalkane, epoxidation
The epoxide of soybean oil etc..Wherein, for the consideration of intermiscibility, preferably phenyl glycidyl ether, alkyl glycidyl ether,
Aklylene glycol glycidyl ether, glycidyl-2,2-dimethyl-octa acid esters, (+)-2,3-Epoxy-1-propanol benzoate, (+)-2,3-Epoxy-1-propanol-uncle
Butylbenzoic acid ester, epihydric alcohol acrylic ester, epihydric alcohol methylpropenoic acid ester, cyclohexene oxide, α-epoxyalkane.
The alkyl of abovementioned alkyl glycidyl ether and the alkylidene of aklylene glycol glycidyl ether can have side chain, and
Carbon number is usually 3-30, is preferably 4-24, especially preferably 6-16.Additionally, α-epoxyalkane generally uses entire carbon atom
Number is 4-50, preferred 4-24, the α-epoxyalkane of particularly preferred 6-16.In the present invention, above-mentioned plumper can be used alone a kind,
Also two or more can be applied in combination.Additionally, the consideration occurred for effect and suppression deposit, relative to compositions, it blends
The scope of amount usually 0.005-5 mass %, especially preferably 0.05-3 mass %.
In the present invention, by above-mentioned plumper being blended the stability that can improve refrigerated machine oil composition.By by above-mentioned
Extreme pressure agent and plumper by the effect that can play raising stability further.
Above-mentioned defoamer can enumerate such as silicone oil, fluorinated silicone oil etc..
In the refrigerated machine oil composition of the present invention, within the scope without prejudice to the object of the present invention, can with other known to each
Plant additive suitably to blend, described additive such as N-[N, N '-dialkyl group (carbon number is the alkyl of 3-12) amino methyl]
The copper passivator (desactivation agent) etc. of triazole etc..
The refrigerated machine oil composition of the present invention is suitable for use with the fridge of following cold-producing medium, and described cold-producing medium contains and is selected from
The fluorinated organic compound of at least one of compound represented by above-mentioned molecular formula (A) or above-mentioned fluorinated organic compound are with saturated
The combination of fluorinated hydrocarbon compound.It is particularly suited for using the fridge containing unsaturated fluorinated hydrocarbon compound cold-producing medium.
In the lubricating method of the fridge using refrigerated machine oil composition of the present invention, for above-mentioned various cold-producing mediums with cold
Freeze the usage amount of engine oil base oil, the preferably mass ratio of cold-producing medium/refrigerated machine oil composition to be 99/1-10/90, be more preferably
The scope of 95/5-30/70.Amount at cold-producing medium is less than the occasion of above-mentioned scope, finds that refrigerating capacity reduces, and higher than above-mentioned
The occasion of scope, greasy property reduces, the most preferred.The refrigerated machine oil composition of the present invention can be used for various fridge, especially
It is applicable to the compression freeze cycle of compression-type fridge.
The fridge that the refrigerated machine oil composition of the present invention is suitable for has freeze cycle, uses the invention described above simultaneously
Refrigerated machine oil composition is as refrigerator oil, and uses above-mentioned various cold-producing medium as cold-producing medium, and described freeze cycle is necessary
It is made up of compressor, condenser, expansion mechanism (expansion valve etc.) and vaporizer, or must be by compressor, condenser, decompressor
Structure, exsiccator and vaporizer are constituted.
Herein, in exsiccator, it is preferably filled with the desiccant being made up of the zeolite that fine pore is below 0.33nm.Additionally,
As above-mentioned zeolite, natural zeolite and synthetic zeolite can be enumerated, and for above-mentioned zeolite, at 25 DEG C, CO2Partial pressure is
During 33kPa, CO2GAS ABSORPTION capacity be less than 1.0% zeolite more suitable.As above-mentioned synthetic zeolite, can enumerate and such as join
Close trade name XH-9, XH-600 etc. that Showa Corporation (ユ ニ オ Application Showa (strain)) makes.
According to the present invention, if using above-mentioned desiccant, then can not absorption refrigerating circulation in cold-producing medium and highly effective
Ground removes moisture content, can suppress self-exacerbated the caused powdered of desiccant simultaneously, therefore not produce pipe arrangement because of powdered
Inaccessible and cause the danger of abnormal wear because powder enters compressor slipper, enable fridge to stablize for a long time
Run.
The fridge that the refrigerated machine oil composition of the present invention is suitable for, has various slipper (example inside its compressor
Such as bearing etc.).In the present invention, especially for the consideration to sealing, as above-mentioned slipper, use by engineering plastics structure
The slipper become or use have the slipper of organic coating film or inorganic coating film.
As above-mentioned engineering plastics, for the consideration of sealing, sliding, abrasion performance etc., preferably enumerate the most poly-
Amide resin, polyphenylene sulfide, polyacetal resin etc..
Additionally, as organic coating film, for the consideration of sealing, sliding, abrasion performance etc., preferably enumerate and such as contain
Fluororesin coating film (polytetrafluoroethylcoating coating films etc.), polyimide coating film, polyamide-imides film, can enumerate use further
Exhausted with the heat curing-type that the cold coating of cross-linking agent is formed containing the resin base material being made up of with polysulfones resin polyhydroxy ethers resin
Velum etc..
On the other hand, as inorganic coating film, for the consideration of sealing, sliding, abrasion performance etc., graphite can be enumerated
Film, diamond-film-like, nickel film, molybdenum film, stannum film, chromium film etc..This inorganic coating film, can be formed with electroplating processes, can also PVD method
(physical vaporous deposition) is formed.
It should be noted that, as this slipper, the alloy type of routine can be used, such as by Fe base alloy, Al base alloy,
The material that Cu base alloy etc. are constituted.
The refrigerated machine oil composition of the present invention can be used for such as air conditioning for automobiles, electric automobile air conditioner, gas heat pump, air-conditioning, ice
The various hot-water supply systems of case, automatic vending machine or show window or refrigeration-heating system.
In the present invention, the water content in said system, below preferably 300 mass ppm, more preferably 200 mass ppm
Below.Additionally, this intrasystem air pocket amount, preferably below 10kPa, more preferably below 5kPa.
For the refrigerated machine oil composition of the present invention, base oil is with containing the specific oxygenatedchemicals thing as main constituent
Matter, viscosity is low, can reach the purpose of energy conservation and sealing is excellent.
Compressor of the present invention (compressor used for refrigerator) is the compressor using above-mentioned refrigerated machine oil composition.That is,
The compressor of the above-mentioned refrigerated machine oil composition of following use, described compressor uses containing represented selected from above-mentioned molecular formula (A)
The combination of the fluorinated organic compound of at least one of compound or described fluorinated organic compound and saturated fluorohydrocarbons compound
As cold-producing medium.
The slipper of described compressor is preferably used the slipper being made up of for part or all engineering plastics, or
There is the slipper of organic coating film or inorganic coating film.As slipper, such as in tilted-plate compressor, can enumerate the most oblique
The sliding part of the sliding surface etc. of plate and the sliding surface of piston shoes (シ ユ mono-), piston shoes and the sliding part face of piston, piston and cylinder block
Point.
At least some of due to above-mentioned slipper is made up of above-mentioned engineering plastics, or has organic coating film or inorganic painting
Film, therefore the sealing of compressor and the fridge containing this compressor improves, and sliding, abrasion performance all can carry
High.
The preferred embodiment of engineering plastics, organic coating film and inorganic coating film, as mentioned above.
Embodiment
Hereinafter, according to embodiment, further describe the present invention, but the present invention is not limited to following embodiment.
It should be noted that, the character of base oil and every characteristic of refrigerated machine oil composition, it then follows main points shown below.
The character of ＜ base oil >
(1) 100 DEG C of kinematic viscosity
According to JIS K2283-1983, glass capillary viscosimeter is used to measure.
(2) flash-point
According to JIS K2265, measure with C.O.C method.
(3) molecular weight
The value of calculation of chemical constitution based on the compound constituting base oil.
(4) acid number
Measure according to JIS K2501.
(5) hydroxyl value
Measure according to JIS K0070.
Every characteristic of ＜ refrigerated machine oil composition >
(6) two layers of separation temperature (two points of temperature)
Measure in pipe (internal volume 10mL) to two layers of separation temperature, fill oil/cold-producing medium (0.6g/2.4g), be held in perseverance
In temperature groove.The temperature of temperature chamber is from the beginning of room temperature (25 DEG C), and temperature rises with the ratio of 1 DEG C/min, measures two layers of separation temperature.
Additionally, cold-producing medium uses 1,2,3,3,3-pentafluoropropene (ア Port ロ サ イ エ Application テ イ Off Chi ッ Network リ ミ シ テ De
System [PC07052].)
(7) stability (sealed tube test)
Oil/cold-producing medium 4mL/1g (water content 200ppm) and ferrum, copper, the metallic catalyst of aluminum is filled in glass tubing
Rear tube sealing, keeps after 30 days under conditions of air pressure 26.6kPa, temperature 175 DEG C, with visual observations oil outward appearance, catalyst outward appearance,
The presence or absence of deposit, and measure acid number.Cold-producing medium is identical with above-mentioned (6).
(8) friction sintering test
At pin (ピ Application)/block (Block mouth Star Network)=A4032/AISIC1137, revolution: 1200rpm, loading: 223N, oil mass:
4 μ L, the cold-producing medium of above-mentioned (6): under conditions of 1MPa, carry out coating Falex friction sintering test (cloth Off ァ レ ッ Network ス
Pay け).
The kind of preparation each composition used of refrigerated machine oil composition is as follows.
Base oil uses A1-A23.The compound name of each base oil and character are as shown in table 1 below.
[table 1]
1st table
(note) octanoic acid=2 ethyl hexanoic acid
N-nonanoic acid=3,5,5-tri-methyl hexanoic acids
The character (beyond described in table) of base oil A1=ASTM color L0.5, surface tension 34.7mN/m, extracting water pH6.4,
Ash ＜ 0.1 mass %, volume resistance 1011Ωm。
Additionally, additive uses antioxidant B1 (BHT).
Embodiment 1-9 and comparative example 1-14
Preparing the refrigerated machine oil composition of combination shown in the 2nd table, using 1,2,3,3,3-pentafluoropropene is cold-producing medium, evaluates
The characteristic of above-mentioned composition.Its result is as shown in the 2nd table.
[table 2]
2nd table-1
[table 3]
2nd table-2
[table 4]
2nd table-3
From the 2nd table, the refrigerated machine oil composition (embodiment 1-9) of the present invention, to cold-producing medium 1,2,3,3,3-five fluorine
Propylene, two layers of separation temperature are more than 40 DEG C, and stability is excellent in the sealed tube test using 1,2,3,3,3-pentafluoropropene
Different, and, in coating Falex friction sintering test, friction sintering time is long.
Industrial applicability
The present invention provides lubricating oil composition of freezer and uses the compressor of said composition, described profit used for refrigerator
Sliding oil composition may be used in the fridge of the cold-producing medium with particular configuration such as unsaturated fluorinated hydrocarbon compounds, described refrigeration
Agent global warming coefficient is low, be used especially for existing automotive air-conditioning system etc., the described compositions intermiscibility to described cold-producing medium
Excellence, sealing is good simultaneously, and slipper coefficient of friction is low, and excellent in stability.
Claims (16)
1. lubricating oil composition of freezer, it is characterised in that it is the lubricating oil of the fridge for using following cold-producing medium
Compositions, described cold-producing medium contain selected from the fluorinated organic compound of at least one of compound represented by following molecular formula (A),
Or the combination of described fluorinated organic compound and saturated fluorohydrocarbons compound, described molecular formula (A) is:
CpOqFrRs ...(A)
In formula, R represents Cl, Br, I or H, and p is the integer of 1-6, and q is the integer of 0-2, and r is the integer of 1-14, and s is the whole of 0-13
Number；But, when q is 0, p is 2-6, has more than 1 carbon-to-carbon unsaturated bond in molecule；
Use following material as base oil: containing by selected from tetramethylolmethane, dipentaerythritol, trimethylolpropane and neopentyl glycol
Polyhydric alcohol and the polyol ester compounds that constitutes of aliphatic monocarboxylic acid that carbon number is 4-20 be main constituent, and acid number is
Below 0.02mg KOH/g and hydroxyl value is below 5mg KOH/g.
2. the lubricating oil composition of freezer of claim 1, wherein, cold-producing medium contains the unsaturated fluorine that carbon number is 2-3
For hydrocarbon coolant, or the unsaturated fluorohydrocarbon cold-producing medium that the saturated fluorohydrocarbons cold-producing medium that carbon number is 1-2 and carbon number are 3
Combination.
3. the lubricating oil composition of freezer of claim 1, wherein, the base oil kinematic viscosity when 100 DEG C is 2-50mm2/s。
4. the lubricating oil composition of freezer of claim 1, wherein, the molecular weight of base oil is more than 300.
5. the lubricating oil composition of freezer of claim 1, wherein, base oil flash is more than 200 DEG C.
6. the lubricating oil composition of freezer of claim 1, described compositions contains selected from EP agent, oiliness improver, resists
At least one additive of oxidant, plumper and defoamer.
7. the lubricating oil composition of freezer of claim 1, wherein, the slipper of fridge is made up of engineering plastics, or
There is organic coating film or inorganic coating film.
8. the lubricating oil composition of freezer of claim 7, wherein, organic coating film is polytetrafluoroethylcoating coating films, polyimides
Film, polyamide-imides film or use are containing the resin base material being made up of polyhydroxy ethers resin and polysulfones resin and friendship
The heat curing-type dielectric film that the cold coating of connection agent is formed.
9. the lubricating oil composition of freezer of claim 7, wherein, inorganic coating film be graphite film, diamond-film-like, stannum film,
Chromium film, nickel film or molybdenum film.
10. the lubricating oil composition of freezer any one of claim 1-9, described compositions is for air conditioning for automobiles, electronic
The various hot-water supply systems of air conditioning for automobiles, gas heat pump, air-conditioning, refrigerator, automatic vending machine or show window or refrigeration-heating system
System.
The lubricating oil composition of freezer of 11. claim 10, wherein, intrasystem water content is below 300 mass ppm,
Air pocket amount is below 10kPa.
The compressor of 12. lubricating oil composition of freezer using claim 1.
The compressor of 13. claim 12, wherein, slipper is made up of engineering plastics, or has organic coating film or inorganic painting
Film.
The compressor of 14. claim 13, wherein, engineering plastics are polyamide, polyphenylene sulfide or polyacetal resin.
The compressor of 15. claim 13, wherein, organic coating film be polytetrafluoroethylcoating coating films, polyimide coating film, polyamide-
Acid imide film or the use resin containing the resin base material being made up of polyhydroxy ethers resin and polysulfones resin with cross-linking agent are coated with
The heat curing-type dielectric film that material is formed.
The compressor of 16. claim 13, wherein, inorganic coating film is graphite film, diamond-film-like, stannum film, chromium film, nickel film or molybdenum
Film.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007109704 | 2007-04-18 | ||
| JP2007-109704 | 2007-04-18 | ||
| CN200880012454A CN101668836A (en) | 2007-04-18 | 2008-04-18 | Lubricating oil composition for refrigerator and compressor using the same |
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| CN200880012454A Division CN101668836A (en) | 2007-04-18 | 2008-04-18 | Lubricating oil composition for refrigerator and compressor using the same |
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| CN106281575A true CN106281575A (en) | 2017-01-04 |
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| CN201610670764.0A Pending CN106281575A (en) | 2007-04-18 | 2008-04-18 | Lubricating oil composition for refrigerator and compressor using the same |
| CN200880012454A Pending CN101668836A (en) | 2007-04-18 | 2008-04-18 | Lubricating oil composition for refrigerator and compressor using the same |
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| CN200880012454A Pending CN101668836A (en) | 2007-04-18 | 2008-04-18 | Lubricating oil composition for refrigerator and compressor using the same |
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|---|---|
| US (1) | US8703662B2 (en) |
| EP (1) | EP2138558B1 (en) |
| JP (1) | JP5466502B2 (en) |
| KR (1) | KR101512205B1 (en) |
| CN (2) | CN106281575A (en) |
| BR (1) | BRPI0810112B1 (en) |
| CA (1) | CA2684943C (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP5466502B2 (en) | 2014-04-09 |
| CA2684943C (en) | 2016-02-02 |
| BRPI0810112A2 (en) | 2014-10-21 |
| BRPI0810112B1 (en) | 2018-04-24 |
| EP2138558A4 (en) | 2011-06-22 |
| EP2138558A1 (en) | 2009-12-30 |
| US20100147016A1 (en) | 2010-06-17 |
| KR20100017092A (en) | 2010-02-16 |
| EP2138558B1 (en) | 2016-04-13 |
| CA2684943A1 (en) | 2008-10-30 |
| MX2009010853A (en) | 2010-01-29 |
| JPWO2008130039A1 (en) | 2010-07-22 |
| WO2008130039A1 (en) | 2008-10-30 |
| US8703662B2 (en) | 2014-04-22 |
| KR101512205B1 (en) | 2015-04-14 |
| CN101668836A (en) | 2010-03-10 |
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